Dell’Amore, Andrea
Congiu, Stefano
Campisi, Alessio
Mazzarra, Sara
Zanoni, Silvia
Giunta, Domenica
Article History
Received: 8 August 2019
Revised: 19 September 2019
Accepted: 22 September 2019
First Online: 2 January 2020
Compliance with ethical standards
: This retrospective multicenter study was approved by the Institutional Review Board of S. Orsola Malpighi University Hospital in Bologna, and the study has been performed in accordance with the ethical standards as laid down in the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: The authors declare that they have no conflict of interest.